Chitoliro Chachitsulo cha SSAW Kwa Mzere Wamadzi Apansi Pansi
Kukhazikitsidwa kwa revolutionary spiral submerged arc welded steelchitoliro cha mizere ya madzi apansi panthaka
Cangzhou Spiral Steel Pipe Group Co., Ltd. yakhazikitsa chitoliro chake chachitsulo cha msoko, chitoliro chachitsulo chozungulira chomwe chidzasintha ntchito zamapaipi apansi panthaka.Chitoliro ichi ndikusintha masewera pamsika wamadzi am'matauni ndi madzi onyansa chifukwa chapamwamba komanso magwiridwe antchito apamwamba.
Mechanical Property
| kalasi yachitsulo | mphamvu zochepa zokolola | Kulimba kwamakokedwe | Kutalikira pang'ono | Mphamvu zochepa zomwe zimakhudzidwa | ||||
| Makulidwe odziwika | Makulidwe odziwika | Makulidwe odziwika | pa kutentha kwa mayeso a | |||||
| ＜16 | ＞16≤40 | ＜3 | ≥3≤40 | ≤40 | -20 ℃ | 0 ℃ | 20 ℃ | |
| Chithunzi cha S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| Chithunzi cha S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| Chithunzi cha S275J2H | 27 | - | - | |||||
| Chithunzi cha S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| Chithunzi cha S355J2H | 27 | - | - | |||||
| Chithunzi cha S355K2H | 40 | - | - | |||||
Mapaipi achitsulo a SSAWamapangidwa ndi mizere zitsulo koyilo monga zopangira, extruded pa kutentha zonse, ndi welded ndi basi iwiri-waya mbali ziwiri kumizidwa arc kuwotcherera.Ukadaulo wopangidwa mwaluso uwu umatsimikizira milingo yolondola kwambiri komanso yokhazikika, zomwe zimapangitsa kuti mapaipi athu akhale abwino pakugwiritsa ntchito madzi apansi panthaka.
Moyo wa izichitoliro chachitsulo chozungulirandi mawonekedwe ake apadera ozungulira.Mzere wachitsulo umadyetsedwa mu welded chitoliro chipangizo ndi pang'onopang'ono adagulung'undisa ndi angapo odzigudubuza kupanga zozungulira chubu akusowekapo ndi kutsegula kusiyana.Ili ndi mphamvu yosinthira kuchepetsa kuchuluka kwa wodzigudubuza wotuluka, ndipo kusiyana kwa weld kumatha kuwongoleredwa pakati pa 1-3mm kuti muwonetsetse kulumikizana kopanda msoko komanso kolimba.Kuphatikiza apo, mbali zonse ziwiri za cholumikizira chowotcherera zimakhala zowoneka bwino, zomwe zimapereka kumaliza kwabwino.
Mapaipi azitsulo a SSAW ali ndi makhalidwe angapo omwe amawasiyanitsa ndi mapaipi achitsulo.Mapangidwe ake ozungulira amakhala ndi mphamvu zabwino kwambiri komanso kukana mphamvu zakunja, kuonetsetsa chitetezo ndi kudalirika kwa njira yoperekera madzi.Kuphatikiza apo, njira yowotcherera yapamwamba imatsimikizira kuti zolumikizirazo sizingadutse ndikuletsa madzi kuti asalowe kapena kuipitsidwa.Ndi zomangamanga zolimba komanso zolumikizana zotetezeka, chitolirochi chimatsimikizira kuti chikugwira ntchito kwanthawi yayitali ndikuchepetsa zofunikira zokonza, ndikupangitsa kuti ikhale njira yotsika mtengo pantchito iliyonse yamadzi apansi panthaka.
Chemical Composition
| Chitsulo kalasi | Mtundu wa de-oxidation a | % ndi misa, pazipita | ||||||
| Dzina lachitsulo | Nambala yachitsulo | C | C | Si | Mn | P | S | Nb |
| Chithunzi cha S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
| Chithunzi cha S275J0H | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
| Chithunzi cha S275J2H | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
| Chithunzi cha S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| Chithunzi cha S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
| Chithunzi cha S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
| a.Njira ya deoxidation imayikidwa motere: FF: Chitsulo chopha kwathunthu chokhala ndi zinthu zomangira za nayitrogeni mu kuchuluka kokwanira kumanga nayitrogeni yomwe ilipo (mwachitsanzo min. 0,020 % okwana Al kapena 0,015 % sungunuka Al). b.Kuchuluka kwa nayitrogeni sikugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al zomwe zili 0,020 % ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati zinthu zina zokwanira za N-binding zilipo.Zinthu zomangiriza za N zidzalembedwa mu Inspection Document. | ||||||||
Zogulitsa zapaderazi zapangidwa kuti zikwaniritse zosowa zosiyanasiyana zamakampani.Kaya mumange njira zoyendetsera madzi ndi zimbudzi kapena kunyamula gasi wachilengedwe ndi mafuta mtunda wautali, mipope yolumikizira madzi arc ndi njira yoyamba.Kusinthasintha kwake kumafikira ku machitidwe a milu ya mapaipi, kupereka kukhazikika kosayerekezeka ndi mphamvu yonyamula katundu.Ndi mphamvu zawo zapamwamba komanso zodalirika, mapaipi athu amaposa zoyembekeza zonse zokhudzana ndi ntchito komanso moyo wautali.
Ku Cangzhou Spiral Steel Pipe Group Co., Ltd., kudzipereka kwathu pakuchita bwino sikugwedezeka.Ndi zaka zambiri zamakampani ndi ukatswiri, timanyadira kupereka zinthu zabwino kwambiri zomwe zimakwaniritsa miyezo yapamwamba kwambiri.Malo athu opangira zamakono komanso njira zoyendetsera bwino kwambiri zimatsimikizira kuti chitoliro chilichonse chachitsulo chosungunuka cha arc chomwe chimachoka pafakitale ndi chapamwamba kwambiri.
Mwachidule, chosinthira ozungulira kumizidwa arc welded zitsulo chitoliro adzasintha pansi pansi pa nthaka makampani mapaipi madzi.Pokhala ndi zomangamanga zapamwamba, zolumikizira zosadukiza komanso mphamvu zapamwamba, chitoliro ichi ndiye chisankho chomaliza pantchito iliyonse yotumizira madzi.Khulupirirani kuti Cangzhou Spiral Steel Pipe Group Co., Ltd. ikhoza kukupatsani yankho labwino kwambiri kuti mukwaniritse zosowa zanu.Dziwani zamtsogolo zamapaipi amadzi apansi panthaka ndi chitoliro chachitsulo cha SSAW.
